Huihua Wang, Longxin Lin, Xin Ye. Status and development trend of high power slab laser technology[J]. Infrared and Laser Engineering, 2020, 49(7): 20190456
- Infrared and Laser Engineering
- Vol. 49, Issue 7, 20190456 (2020)
Fig. 1. Improvement of thermo-optical distortion by solid laser configuration change
Fig. 2. Development process of continuous wave pumped slab laser technology
Fig. 3. Grumann's 100 kW CW-end pumped cooling slab laser module and MOPA link. The un-grayed parts represent copies of the two amplified links. YDFA: Yb doped fiber amplifier; PM: phase modulator; AOM: acousto-optic modulator; PA: pre-amplifier
Fig. 4. QCW single-sided pumped cooling slab laser module
Fig. 5. Comparison of pump energy storage between multi-segment variable-doped slabs (bottom) and single-doped slabs (top)
Fig. 6. Power conversion process in a slab amplifier
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Table 1. Comparison of laser characteristics of CW end-pumped and QCW surface-pumped slab lasers
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